<volist name=":get_tag_tree()" id="tag">
<notempty name="tag['tags']">	
<div>
	<h5><{$tag.tag_group}></h5>																
	<volist name="tag['tags']" id="t">
	<a href="javascript:;" data-id="<{$t.id}>" class="tag label label-info mr-sm add-tag"><{$t.name}></a>		                  			
	</volist>											           			
</div>
</notempty>
</volist>